Puppet can't clean temp directories as it stumbles upon files that are in use

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Following puppet error(s) occurred on dev-win7-x86-03:

Puppet (err): Permission denied - C:/Users/qt/AppData/Local/Temp/BC35E2B.tmp
Puppet (err): Permission denied - C:/Users/qt/AppData/Local/Temp/BC32EF0.tmp
Puppet (err): Permission denied - C:/Users/qt/AppData/Local/Temp/jna/jna459551879041780914.dll
Puppet (err): Permission denied - C:/Users/qt/AppData/Local/Temp/BC35E2C.tmp
Puppet (err): Permission denied - C:/Users/qt/AppData/Local/Temp/BC32EEF.tmp

The problem is caused by module 'baselayout' where it tries to tidy temp folder of files over a week old.